Insight for Sunday 18 May 2008

For the first time the amount of digital information about us is exceeding that created by us.

It's dubbed the digital shadow and we leave a trail of digital information as we use everyday technology.

There is also the information willingly revealed - most often on social networking sites such as Bebo and Facebook.

Is this information putting people's privacy at risk, or is it all part of living in a wired world?

Sue Ingram investigates